DE69323226D1 - Process for the treatment of a liquid containing volatile halogenated organic compounds - Google Patents
Process for the treatment of a liquid containing volatile halogenated organic compoundsInfo
- Publication number
- DE69323226D1 DE69323226D1 DE69323226T DE69323226T DE69323226D1 DE 69323226 D1 DE69323226 D1 DE 69323226D1 DE 69323226 T DE69323226 T DE 69323226T DE 69323226 T DE69323226 T DE 69323226T DE 69323226 D1 DE69323226 D1 DE 69323226D1
- Authority
- DE
- Germany
- Prior art keywords
- treatment
- organic compounds
- liquid containing
- halogenated organic
- containing volatile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/37—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by reduction, e.g. hydrogenation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/02—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by biological methods, i.e. processes using enzymes or microorganisms
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/40—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by heating to effect chemical change, e.g. pyrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8659—Removing halogens or halogen compounds
- B01D53/8662—Organic halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/22—Organic substances containing halogen
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
- A62D2203/02—Combined processes involving two or more distinct steps covered by groups A62D3/10 - A62D3/40
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
- A62D2203/10—Apparatus specially adapted for treating harmful chemical agents; Details thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/908—Organic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/908—Organic
- Y10S210/909—Aromatic compound, e.g. pcb, phenol
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Soil Sciences (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9872792A JPH05269476A (en) | 1992-03-25 | 1992-03-25 | Treatment of water containing volatile organohalogen compound |
JP12997592A JP3324139B2 (en) | 1992-04-23 | 1992-04-23 | Gas phase reductive decomposition of gas containing volatile organic halogen compound |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69323226D1 true DE69323226D1 (en) | 1999-03-11 |
DE69323226T2 DE69323226T2 (en) | 1999-06-17 |
Family
ID=26439850
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69323226T Expired - Fee Related DE69323226T2 (en) | 1992-03-25 | 1993-03-16 | Process for the treatment of a liquid containing volatile halogenated organic compounds |
DE69328732T Expired - Fee Related DE69328732T2 (en) | 1992-03-25 | 1993-03-16 | Process for the decomposition of organic halogenated volatile compounds in water |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69328732T Expired - Fee Related DE69328732T2 (en) | 1992-03-25 | 1993-03-16 | Process for the decomposition of organic halogenated volatile compounds in water |
Country Status (5)
Country | Link |
---|---|
US (1) | US5531901A (en) |
EP (2) | EP0563669B1 (en) |
AU (2) | AU664242B2 (en) |
CA (1) | CA2091740A1 (en) |
DE (2) | DE69323226T2 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4309468A1 (en) * | 1993-03-24 | 1994-09-29 | Henkel Kgaa | Process for reducing the content of halogen-containing organic compounds in aqueous systems |
DE4309469A1 (en) * | 1993-03-24 | 1994-09-29 | Henkel Kgaa | Process for reducing the content of halogen-containing organic compounds in aqueous systems |
US5611936A (en) * | 1994-12-23 | 1997-03-18 | Research Corporation Technologies, Inc. | Dechlorination of TCE with palladized iron |
JP4392862B2 (en) * | 1997-02-20 | 2010-01-06 | ゾルファイ ドイチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for removing chlorate ions from solution |
DE19743109A1 (en) * | 1997-09-30 | 1999-04-01 | Fiedler Maschinenbau Gmbh | Chemical decomposition of difficultly degradable halogen compounds especially PCBs |
EP0933333B1 (en) * | 1998-02-02 | 2004-09-01 | I.M.E.S. Gesellschaft für Innovative Mess-, Erkundungs- und Sanierungstechnologien mbH | Use of a supported catalyst |
US6423235B1 (en) * | 1999-08-18 | 2002-07-23 | Nittetu Chemical Engineering Ltd. | Column gas-liquid contacting apparatus and its use thereof |
US6224843B1 (en) * | 1999-09-13 | 2001-05-01 | Saudi Basic Industries Corporation | Carbon dioxide purification in ethylene glycol plants |
FR2801808B1 (en) * | 1999-12-07 | 2002-05-17 | Atofina | PROCESS FOR REDUCING ELEMENTARY HALOGEN IN AN EFFLUENT AND INSTALLATION FOR IMPLEMENTING IT |
JP3461328B2 (en) | 2000-06-16 | 2003-10-27 | キヤノン株式会社 | Gas processing apparatus and method |
FR2818628B1 (en) | 2000-12-21 | 2003-03-07 | Rhodia Chimie Sa | HYDROGEN GENERATING SYSTEM AND HYDRODESHALOGENATION METHOD |
FR2822149B1 (en) * | 2001-03-13 | 2004-02-27 | Centre Nat Rech Scient | REMOVAL OF METAL IONS FROM AQUEOUS EFFLUENTS |
DE10130108B4 (en) * | 2001-06-21 | 2007-11-29 | Birgit Kraft | Process and reactor for the catalytic degradation of halogenated organic pollutants |
DE10133609A1 (en) * | 2001-07-13 | 2003-02-13 | Ufz Leipzighalle Gmbh | Process and device for the decontamination of water, especially groundwater, which is heavily and complexly contaminated with organic halogen compounds (HKW) |
US7060236B2 (en) * | 2002-10-21 | 2006-06-13 | Yan Tsoung Y | Process for removing volatile organic compounds |
JP2007519520A (en) * | 2004-01-27 | 2007-07-19 | ピュリフィツス エンヴイロンメンタル テクノロジーズ インコーポレーテッド | Advanced pollutant treatment system |
JP2006130216A (en) * | 2004-11-09 | 2006-05-25 | Canon Inc | Method and apparatus for decomposing organic chlorine compound |
US7658789B1 (en) | 2007-12-19 | 2010-02-09 | Carol Diane Krumbholz | Off gas extraction and chemical recovery system and related methods |
US8986429B2 (en) * | 2007-12-19 | 2015-03-24 | Carol D. Krumbholz | Off gas extraction and chemical recovery system and related methods |
US10752526B2 (en) | 2012-02-12 | 2020-08-25 | Bluflow Technologies, Inc. | Method for destruction of reducible contaminants in waste or ground water |
WO2014172041A1 (en) * | 2013-03-15 | 2014-10-23 | Bluflow Technologies, Inc. | Improved method for destruction of reducible contaminants in waste or ground water |
EP4321238A1 (en) * | 2022-08-08 | 2024-02-14 | Grillo-Werke Aktiengesellschaft | Dehalogenation of halogenated hydrocarbons |
Family Cites Families (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2164074C3 (en) * | 1971-12-23 | 1974-10-10 | Bayer Ag, 5090 Leverkusen | Process for the dehydrochlorination of chlorinated hydrocarbons |
GB1458633A (en) * | 1974-09-17 | 1976-12-15 | Ici Ltd | Process for dehalogenating aromatic compounds |
SU565708A1 (en) * | 1975-06-20 | 1977-07-25 | Предприятие П/Я Р-6991 | Method of purifying electrolysis gases from fluor oxide |
US4059683A (en) * | 1976-04-22 | 1977-11-22 | Continental Oil Company | Decomposition of halogenated organic compounds |
US4059676A (en) * | 1976-05-24 | 1977-11-22 | Continental Oil Company | Decomposition of halogenated organic compounds |
SE400986B (en) * | 1975-10-09 | 1978-04-17 | Infraroedteknik Ab | PROCEDURE FOR REMOVING AN AIROSOL OF A PISTON OR CARBON DERIVATIVE FROM A GAS / AEROSOL MIXTURE BY A POROS MATERIAL BED OF A MINERAL MATERIAL WHICH HAS A SURFACE OF A SUBSTANCE WITH LIPOFILE |
US4045538A (en) * | 1975-11-28 | 1977-08-30 | Ppg Industries, Inc. | Catalytic oxidation of vinyl chloride |
US5064447A (en) * | 1976-11-19 | 1991-11-12 | E. I. Du Pont De Nemours And Company | Process for recovering organic vapors from air |
CH633497A5 (en) * | 1977-03-30 | 1982-12-15 | Kernforschungsanlage Juelich | METHOD FOR REDUCING REDUCABLE POLLUTANTS IN AQUEOUS SOLUTIONS. |
US4323372A (en) * | 1979-12-17 | 1982-04-06 | Ciba-Geigy Corporation | Process for recovering nitrobenzene, dichlorobenzene and/or trichlorobenzene from exhaust gases, in particular spent air |
US4351978A (en) * | 1980-07-21 | 1982-09-28 | Osaka Prefectural Government | Method for the disposal of polychlorinated biphenyls |
US4400566A (en) * | 1981-09-15 | 1983-08-23 | Union Carbide Corporation | Reduction of organic halides |
NL8402837A (en) * | 1984-09-14 | 1986-04-01 | Kinetics Technology | PROCESS FOR PURIFYING AND / OR HARMING A LIQUID HYDROCARBON FLOW POLLUTED BY HALOGEN, NITROGEN AND / OR SULFUR (COMPOUNDS). |
US4618686A (en) * | 1984-09-27 | 1986-10-21 | Ciba-Geigy Corporation | Process for dehalogenation of aryl and alpha-araliphatic halides |
US4623448A (en) * | 1985-03-12 | 1986-11-18 | Moreco Energy, Inc. | Removing halogenated polyphenyl materials from used oil products |
BR8606749A (en) * | 1985-06-24 | 1987-10-13 | Aluminum Co Of America | REDUCTION OF ORGANOHALOGEN COMPOUNDS IN METAL AND METALLOID CHLORIDE PRODUCTION CHAINS |
US4661256A (en) * | 1985-10-28 | 1987-04-28 | Uop Inc. | Process for the removal of hydrocarbonaceous compounds from an aqueous stream and hydrogenating these compounds |
US4849095A (en) * | 1985-11-01 | 1989-07-18 | Uop | Process for hydrogenating a hydrocarbonaceous charge stock |
US4909947A (en) * | 1986-03-03 | 1990-03-20 | Uop | Process for detoxifying high aqueous content hazardous waste streams |
US4861921A (en) * | 1986-03-18 | 1989-08-29 | Catalytica Associates | Process for manufacture of resorcinol |
CA1279861C (en) * | 1986-05-12 | 1991-02-05 | Karl T. Chuang | Catalyst assembly |
US4747937A (en) * | 1986-11-24 | 1988-05-31 | Uop Inc. | Process for the removal of hydrogenatable hydrocarbonaceous compounds from a hydrocarbonaceous stream and hydrogenating these compounds |
FR2612799B1 (en) * | 1987-03-27 | 1989-07-13 | Ameg France | PROCESS AND EQUIPMENT FOR TREATING AND RECOVERING SOLVENT VAPORS BY RECYCLING ON ACTIVE CARBON |
US4861484A (en) * | 1988-03-02 | 1989-08-29 | Synlize, Inc. | Catalytic process for degradation of organic materials in aqueous and organic fluids to produce environmentally compatible products |
US5015365A (en) * | 1988-04-20 | 1991-05-14 | Vara International Inc. | Process for removing halogenated hydrocarbons and other solvents from a solvent laden air (SLA) stream |
GB8901738D0 (en) * | 1989-01-26 | 1989-03-15 | Atomic Energy Authority Uk | Recombination catalyst |
US4931187A (en) * | 1989-02-07 | 1990-06-05 | Klenzoid, Inc. | Cooling tower system |
ATE123970T1 (en) * | 1989-05-01 | 1995-07-15 | Allied Signal Inc | CATALYTIC DECOMPOSITION OF ORGANIC HALOGEN COMPOUNDS. |
US5176897A (en) * | 1989-05-01 | 1993-01-05 | Allied-Signal Inc. | Catalytic destruction of organohalogen compounds |
US5206003A (en) * | 1989-07-07 | 1993-04-27 | Ngk Insulators, Ltd. | Method of decomposing flow |
JPH0649086B2 (en) * | 1989-08-05 | 1994-06-29 | 三井・デュポンフロロケミカル株式会社 | Catalytic decomposition of chlorofluoroalkanes |
JPH03249920A (en) * | 1990-02-27 | 1991-11-07 | Mitsubishi Heavy Ind Ltd | Method for decomposing gaseous fluorocarbon |
US5220108A (en) * | 1990-02-28 | 1993-06-15 | Koji Hashimoto | Amorphous alloy catalysts for decomposition of flons |
JPH084746B2 (en) * | 1990-02-28 | 1996-01-24 | 功二 橋本 | Amorphous alloy catalyst for CFC decomposition |
US5064526A (en) * | 1990-04-27 | 1991-11-12 | The United States Of America As Represented By The Administrator Of The Environmental Protection Agency | Method for the base-catalyzed decomposition of halogenated and non-halogenated organic compounds in a contaminated medium |
US5057125A (en) * | 1990-05-14 | 1991-10-15 | Uop | Process for the treatment of vent gas containing organic halide compounds |
US5051030A (en) * | 1990-06-05 | 1991-09-24 | Roy F. Weston, Inc. | Chemical detoxification process for treatment of soils contaminated with halogenated organic compounds |
US5013424A (en) * | 1990-07-30 | 1991-05-07 | Uop | Process for the simultaneous hydrogenation of a first feedstock comprising hydrocarbonaceous compounds and having a non-distillable component and a second feedstock comprising halogenated organic compounds |
JPH0714459B2 (en) * | 1990-09-06 | 1995-02-22 | 正勝 平岡 | Exhaust gas treatment method |
US5245112A (en) * | 1990-09-13 | 1993-09-14 | Koji Hashimoto | Method for decomposition of chlorofluorocarbons |
US5374599A (en) * | 1991-05-14 | 1994-12-20 | Nippon Shokubai Co., Ltd. | Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst |
US5190668A (en) * | 1991-09-30 | 1993-03-02 | Chuang Karl T | Method for the removal of volatile organic compounds from water |
US5358646A (en) * | 1993-01-11 | 1994-10-25 | Board Of Regents, The University Of Texas System | Method and apparatus for multiple-stage and recycle wet oxidation |
-
1993
- 1993-03-16 AU AU35247/93A patent/AU664242B2/en not_active Ceased
- 1993-03-16 DE DE69323226T patent/DE69323226T2/en not_active Expired - Fee Related
- 1993-03-16 CA CA002091740A patent/CA2091740A1/en not_active Abandoned
- 1993-03-16 DE DE69328732T patent/DE69328732T2/en not_active Expired - Fee Related
- 1993-03-16 EP EP93104226A patent/EP0563669B1/en not_active Expired - Lifetime
- 1993-03-16 EP EP96109638A patent/EP0745561B1/en not_active Expired - Lifetime
-
1995
- 1995-05-25 US US08/450,573 patent/US5531901A/en not_active Expired - Fee Related
-
1996
- 1996-02-02 AU AU42292/96A patent/AU688184B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU664242B2 (en) | 1995-11-09 |
DE69328732D1 (en) | 2000-06-29 |
EP0745561A1 (en) | 1996-12-04 |
DE69323226T2 (en) | 1999-06-17 |
DE69328732T2 (en) | 2000-10-05 |
AU4229296A (en) | 1996-06-20 |
CA2091740A1 (en) | 1993-09-26 |
AU3524793A (en) | 1993-09-30 |
EP0563669A1 (en) | 1993-10-06 |
US5531901A (en) | 1996-07-02 |
EP0745561B1 (en) | 2000-05-24 |
AU688184B2 (en) | 1998-03-05 |
EP0563669B1 (en) | 1999-01-27 |
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